Class 9 : Improvement in food resources : Quiz 5

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1. The major disadvantage of sexual reproduction in plants is:

 
 
 
 

2. The symbol G x E interaction in plant breeding stands for:

 
 
 
 

3. National Highway Authority in India uses a plant called Vetiver for:

 
 
 
 

4. Apiculture is economically beneficial for farmers because:

 
 
 
 

5. What can be done to increase the milk yield of cows?

 
 
 
 

6. Which highly productive breed of chicken has white skin?

 
 
 
 

7. Which farming system combines the raising of fish and growing of crops together?

 
 
 
 

8. What is meant by genetic erosion?

 
 
 
 

9. What does integrated farming mean?

 
 
 
 

10. An antibiotic injected into a chicken might get into a human through consumption of the chicken. This demonstrates:

 
 
 
 

11. What is Rhizobium?

 
 
 
 

12. What are earthworms often called?

 
 
 
 

13. Bacillus thuringiensis is a commonly used:

 
 
 
 

14. The place where bees are kept for honey collection is called:

 
 
 
 

15. What is Polyploid?

 
 
 
 

16. What term is used for the rearing of ducks for commercial purposes?

 
 
 
 

17. What leads to higher milk yield in dairy cows?

 
 
 
 

18. What is companion planting?

 
 
 
 

19. What is the concern with the overuse of antibiotics in animal farming?

 
 
 
 

20. The two kinds of polyploids in plants are:

 
 
 
 

Question 1 of 20

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